package com.tk.select;

import java.util.Scanner;

public class Demo02 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入成绩：");
        float score = scanner.nextFloat();

        if(score==100){
            System.out.println("满分");
        }else if(score < 100 && score>=90){
            System.out.println("优秀");
        }else if(score<90 && score >= 80){
            System.out.println("良好");
        }else if(score<80 && score>= 70){
            System.out.println("中等");
        }else if(score < 70 && score>=60){
            System.out.println("及格");
        }else if(score <60 && score>=0){
            System.out.println("不及格");
        }else {
            System.out.println("成绩不合法");
        }

        scanner.close();
    }
}
